| 发明名称 |
Diamino compounds and methods for preparing them |
| 摘要 |
An object of the invention is to propose diamino compounds expressed by the following general formula (1) which are suitable to obtain a raw material, a polyimide resin, for a liquid crystal aligning film without any image sticking and with a high voltage holding ratio at from a low temperature to a high temperature as well as the preparation thereof: <IMAGE> (1)
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| 申请公布号 |
US5663440(A) |
申请公布日期 |
1997.09.02 |
| 申请号 |
US19950537479 |
申请日期 |
1995.10.02 |
| 申请人 |
CHISSO CORPORATION |
发明人 |
SAWAI, TOSHIYA;OIKAWA, SEIJI;YAZAWA, MASAAKI;MURATA, SHIZUO;HAYAKAWA, MASAHARU;NAKAGAWA, ETSUO;SAWADA, SHINICHI |
| 分类号 |
C07C211/50;C08G73/10;G02F1/1337;(IPC1-7):C07C211/00;C09K19/56 |
主分类号 |
C07C211/50 |
| 代理机构 |
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| 主权项 |
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